<template>
    <div class="login_container">
        <div class="login_box">

            <!--头像区域-->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>

            <!--登录区域-->
            <el-form :model="loginForm" ref="ruleFormRef"  status-icon :rules="loginformrules" class="login_form" label-width="0px">
                <!--用户名区域-->
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-users" placeholder="用户名" ></el-input>
                </el-form-item>
                <!--密码区域-->
                <el-form-item prop="password">
                    <el-input type="password" v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" placeholder="密码" ></el-input>
                </el-form-item>
                <!--按钮区域-->
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="resetLoginFrom" >重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    data(){
        return{
        //这是登录表单的数据绑定
        loginForm: {
          username: 'admin',
          password: '123456',
        },
        //这是表单的验证规则对象
        loginformrules:{
            //验证用户名是否合法
            username:[
                { required: true, message: '请输入登录名称', trigger: 'blur' },
                { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
            ],
            //验证密码是否合法
            password:[
                { required: true, message: '请输入登录密码', trigger: 'blur' },
                { min: 3, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
            ]
        }
      }
    },
    methods:{
        //重置函数
        resetLoginFrom(){
            this.$refs.ruleFormRef.resetFields();
        },
        login(){
            this.$refs.ruleFormRef.validate(async valid=>{
                if(!valid)return;
                const {data:res}= await this.$http.post("login",this.loginForm);
                if(res.meta.status!==200) return this.$message.error("登录失败");
                this.$message.success("登录成功");
                window.sessionStorage.setItem('token',res.data.token);
                this.$router.push("/home");
            });
        }
    }
}
</script>

<style lang="less" scoped>
    .login_container{
        background-color: #2b4b6b;
        width: 100%;
        height: 100%;
    }
    .login_box{
        width: 450px;
        height: 300px;
        background-color: #fff;
        border-radius: 3px;
        position: absolute;
        left: 50%;
        top:50%;
        transform:translate(-50%,-50%);

        .avatar_box{
            height: 130px;
            width:130px;
            border:1px solid #eee;
            border-radius: 50%;
            padding:10px;
            box-shadow:0 0 10px #ddd;
            position:absolute;
            left: 50%;
            transform:translate(-50%,-50%);
            background-color: #fff;

            img{
                width:100%;
                height:100%;
                border-radius:50%;
                background-color: #eee;
                
            }
        }
    }

    .login_form{
        position: absolute;
        bottom:0;
        width: 100%;
        padding: 0 20px;
        box-sizing:border-box;
    }

    .btns{
        display:flex;
        justify-content: flex-end;
    }
</style>